CN216715217U

CN216715217U - Special-shaped sealing ring with mistake-proof structure

Info

Publication number: CN216715217U
Application number: CN202123044258.6U
Authority: CN
Inventors: 刘凯; 李江南; 邵清; 张建康; 刘宝玉; 范旭东; 赵世达; 李龙生; 王贵民; 高飞; 徐凤阳
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-10
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a special-shaped sealing ring with an error-proof structure, which comprises a special-shaped sealing ring body, wherein a sealing ring groove is correspondingly arranged on a carrier for mounting the special-shaped sealing ring body, the ring wall of the special-shaped sealing ring body is provided with outward extending lugs which are arranged at intervals, the lugs are arranged in parallel with the upper top surface and the lower top surface of the special-shaped sealing ring body, the thickness of the lugs is smaller than the section height of the special-shaped sealing ring body, and the side wall of the sealing ring groove is correspondingly provided with a sunken groove which is corresponding to the lugs in shape and is communicated with the sealing ring groove. The utility model can correctly install the special-shaped sealing ring by visually checking the corresponding position relation between the lug and the sinking groove, can effectively reduce the misassembly risk, and has the advantages of simple operation, low manufacturing cost and convenient popularization and application.

Description

Special-shaped sealing ring with mistake-proof structure

Technical Field

The utility model relates to the field of engine sealing, in particular to a special-shaped sealing ring with a mistake-proofing structure.

Background

The special-shaped sealing rings are widely applied and have various types, parts needing sealing, such as a cylinder body, a mailbox, an oil pan and the like of an engine need the special-shaped sealing rings, most of the special-shaped sealing rings have directional installation requirements, and the sealing performance can be caused to be invalid once the special-shaped sealing rings are installed in a wrong way. However, the conventional special-shaped sealing ring has no structure for preventing the special-shaped sealing ring from being mistakenly assembled, or the mistake-proof effect of the mistake-proof structure is insufficient, so that the wrong installation cannot be prevented, and the structure of the special-shaped sealing ring is difficult to determine the front surface and the back surface (upper surface and the lower surface) of the special-shaped sealing ring through visual observation, so that the wrong assembly is sometimes caused, and unnecessary loss is caused for practical use.

Disclosure of Invention

The utility model aims to provide a special-shaped sealing ring with a mistake-proofing structure to ensure correct installation.

In order to solve the technical problem, the special-shaped sealing ring comprises a special-shaped sealing ring body, wherein a sealing ring groove is correspondingly arranged on a carrier used for installing the special-shaped sealing ring body.

The lugs arranged at intervals have different widths.

The lugs arranged at intervals are positioned on the opposite outer side of the wall of the special-shaped sealing ring body.

The lugs arranged at intervals are positioned on the inner side opposite to the wall of the special-shaped sealing ring body.

The lugs arranged at intervals are positioned at asymmetric positions on two opposite sides of the wall of the special-shaped sealing ring body.

The longitudinal section of the lug is rectangular.

The edges and corners of the rectangle are in a fillet shape or a chamfer shape.

The longitudinal section of the lug is oval.

After the structure is adopted, as the outward extending lugs are arranged on the wall of the special-shaped sealing ring body ring and are arranged at intervals, the side wall of the sealing ring groove is correspondingly provided with the sunken grooves which are corresponding to the lugs in shape and are communicated with the sealing ring groove, and the special-shaped sealing ring can be correctly installed by visually checking the mutual corresponding position relation of the lugs and the sunken grooves, the misloading risk can be effectively reduced, the operation is simple, the manufacturing cost is low, and the popularization and the application are convenient.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1;

FIG. 3 is a schematic left side view of the structure of FIG. 1;

FIG. 4 is an enlarged view of section I of FIG. 1;

FIG. 5 is an enlarged view of section II of FIG. 2;

FIG. 6 is an enlarged view of part III of FIG. 3;

FIG. 7 is a front view of another embodiment of the present invention;

FIG. 8 is a schematic bottom view of FIG. 7;

FIG. 9 is a schematic view of the structure of FIG. 7 in the direction E;

FIG. 10 is a schematic structural view of the left side of the longitudinal section of FIG. 7;

FIG. 11 is an enlarged view of portion A of FIG. 7;

FIG. 12 is an enlarged view of the portion B of FIG. 8;

FIG. 13 is an enlarged view of the portion C of FIG. 9;

fig. 14 is an enlarged schematic view of a portion D in fig. 10.

Detailed Description

Referring to the attached drawings, the special-shaped sealing ring with the mistake proofing structure comprises a special-shaped sealing ring 1 body, wherein a positioning bulge 2 is arranged on the top surface of the special-shaped sealing ring 1 body, a sealing ring groove is correspondingly arranged on a carrier for mounting the special-shaped sealing ring 1 body, and the carrier comprises parts needing to be sealed, such as a cylinder body, a mailbox, an oil pan and the like of an engine. The special-shaped sealing ring comprises a special-shaped sealing ring body 1, wherein the ring wall of the special-shaped sealing ring body 1 is provided with protruding lugs (3 and 4) which extend outwards and are arranged at intervals, the protruding lugs are arranged in parallel with the upper top surface and the lower top surface of the special-shaped sealing ring body 1, the upper top surface and the lower top surface are the upper top surface of the special-shaped sealing ring body 1 by using the plane where the positioning protrusions 2 are located, the opposite side of the upper top surface and the lower top surface, the thickness of the protruding lugs is smaller than the section height of the special-shaped sealing ring body 1, the section height is the distance between the upper top surface and the lower top surface of the special-shaped sealing ring body 1, and the side wall of a sealing ring groove is correspondingly provided with a sunken groove (not shown in the figure), the sunken groove corresponds to the shape of the protruding lugs and is communicated with the sealing ring groove.

In the embodiment shown in fig. 1-6, two spaced lugs (3, 4) are located on opposite outer sides of the body wall of the profiled sealing ring 1, the aforementioned sunken grooves are also located on opposite outer sides along the sealing ring groove, the two spaced lugs (3, 4) have different widths, and the sunken grooves corresponding to the lugs also have different widths. Referring to fig. 5, the longitudinal section (or end surface) of the lug is rectangular, the corner of the rectangular lug is in a rounded corner shape or a chamfered corner shape, naturally, the longitudinal section of the lug can also be oval, the longitudinal section of the two lugs (3, 4) arranged at intervals can be the same or different, and the two lugs (3, 4) arranged at intervals can also be respectively located on the opposite inner sides of the body ring wall of the special-shaped sealing ring 1.

In the embodiment shown in fig. 7-14, two spaced lugs (3, 4) are located at two opposite asymmetric positions of the body ring wall of the profiled sealing ring 1, the aforementioned sunken grooves are also located relatively inwards or outwards along the sealing ring groove, the two spaced lugs (3, 4) have different widths, the width of the inner lug may be smaller than that of the outer lug, or the width of the inner lug may be larger than that of the outer lug, and the sunken grooves corresponding to the lugs also have different widths. Referring to fig. 12 or fig. 13, the longitudinal section (or end surface) of the lug is rectangular, and the corner of the rectangular lug is in a round corner shape or a chamfer shape, but the longitudinal section of the lug can also be oval, and the longitudinal section of the two lugs (3, 4) arranged at intervals can be the same or different.

The above-mentioned relative inner and outer sides refer to the radial inner side or outer side of the annular state of the shaped seal ring 1 itself in the annular state. The protruding lugs (3, 4) arranged at intervals can have the same or different extending distances relative to the body ring wall of the special-shaped sealing ring 1.

The special-shaped sealing ring is characterized in that the ring wall of the special-shaped sealing ring body is provided with protruding lugs extending outwards at intervals, the side wall of the sealing ring groove is correspondingly provided with sunk grooves corresponding to the protruding lugs in shape and communicated with the sealing ring groove, the two protruding lugs arranged at intervals and the sunk grooves arranged correspondingly are in asymmetric structural shapes, the special-shaped sealing ring can be correctly installed by visually checking the corresponding position relation of the protruding lugs and the sunk grooves, the misassembly risk can be effectively reduced, the operation is simple, the manufacturing cost is low, and the popularization and the application are convenient.

Claims

1. The special-shaped sealing ring with the mistake proofing structure comprises a special-shaped sealing ring (1) body, wherein a sealing ring groove is correspondingly formed in a carrier for mounting the special-shaped sealing ring (1) body, and is characterized in that protruding lugs extending out and arranged at intervals are arranged on the wall of the special-shaped sealing ring (1) body, the lugs are parallel to the upper top surface and the lower top surface of the special-shaped sealing ring (1) body, the thickness of the lugs is smaller than the section height of the special-shaped sealing ring (1) body, and a sunk groove corresponding to the lugs in shape and communicated with the sealing ring groove is correspondingly formed in the side wall of the sealing ring groove.

2. The profiled sealing ring with a mistake proofing structure as claimed in claim 1, wherein the spaced lugs have different widths.

3. Profiled sealing ring with error protection according to claim 2, characterized in that the spaced lugs are located on the opposite outer side of the body ring wall of the profiled sealing ring (1).

4. Profiled sealing ring with error protection according to claim 2, characterized in that the spaced lugs are located on the opposite inner side of the body ring wall of the profiled sealing ring (1).

5. Profiled sealing ring with error protection according to claim 2, characterized in that the spaced lugs are located asymmetrically on opposite sides of the body ring wall of the profiled sealing ring (1).

6. The special-shaped sealing ring with a mistake proofing structure as claimed in any one of claims 1 to 5, wherein the longitudinal section of the lug is rectangular.

7. The special-shaped sealing ring with the mistake proofing structure as claimed in claim 6, wherein the corners of the rectangle are rounded or chamfered.

8. A profiled sealing ring with error proofing structure as claimed in any one of claims 1 to 5, characterized in that the longitudinal cross-sectional shape of the lug is oval.